package com.yupi.springbootinit.mapper;

import com.yupi.springbootinit.model.entity.Comment;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;

/**
* @author LENOVO
* @description 针对表【comment(评论)】的数据库操作Mapper
* @createDate 2024-09-18 08:40:59
* @Entity com.yupi.springbootinit.model.entity.Comment
*/
public interface CommentMapper extends BaseMapper<Comment> {

    int deleteOldCommentById(Long postId);
}




